public void QuickTransform()
{
OpenTK.Matrix4 A = new OpenTK.Matrix4();
A[0, 0] = 16; A[0, 1] = 15; A[0, 2] = 14; A[0, 3] = 13;
A[1, 0] = 12; A[1, 1] = 11; A[1, 2] = 10; A[1, 3] = 9;
A[2, 0] = 8; A[2, 1] = 7; A[2, 2] = 6; A[2, 3] = 5;
OpenTK.Vector3 x = new OpenTK.Vector3(1, 5, 9);
OpenTK.Vector3 b = A.QuickTransform(ref x);
OpenTK.Vector3 expected = new OpenTK.Vector3(230, 166, 102);
Assert.IsTrue(expected == b);
}